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Seth Lonsway
RP · 
San Francisco Giants · #86
Bats/ThrowsL/L
Height6' 0"
Weight206 lbs
MLB Debut2026
🪪Bio
Bats/ThrowsL/L
Height6' 0"
Weight206 lbs
MLB Debut2026
📊Season Stats (2026)
ERA9.00
W-L0-0
IP2.0
K2
WHIP2.50
SV0
Full Stat Line
G1
GS0
QS0
HLD0
H5
ER2
HR0
BB0
K/99.00
WAR-0.09
⚔️This Season vs. Each Opponent
| Opponent | ERA | IP | K | BB | Opp AVG |
|---|---|---|---|---|---|
vs. ARI
|
9.00 | 2.0 | 2 | 0 | .455 |
🏟️This Season at Each Ballpark
| Ballpark | ERA | IP | K | BB | Opp AVG |
|---|---|---|---|---|---|
| Total | 9.00 | 2.0 | 2 | 0 | .455 |
| AT&T Park | 9.00 | 2.0 | 2 | 0 | .455 |
📅By Month & Recent Form
| Split | ERA | IP | K | BB | Opp AVG |
|---|---|---|---|---|---|
| Last 7 Days | 9.00 | 2.0 | 2 | 0 | .455 |
| Last 15 Days | 9.00 | 2.0 | 2 | 0 | .455 |
| Last 30 Days | 9.00 | 2.0 | 2 | 0 | .455 |
| August | 9.00 | 2.0 | 2 | 0 | .455 |
🎯Pitch Arsenal (2026)
| Type | Pitches | Usage% | Zone% | Chase% | Whiff% | BA | wOBA | xwOBA |
|---|---|---|---|---|---|---|---|---|
| Sinker | 15 | 45.5% | 60.0% | 0.0% | 25.0% | 1.000 | .900 | .442 |
| Changeup | 7 | 21.2% | 71.4% | 40.0% | 20.0% | .250 | .450 | .099 |
| Slider | 5 | 15.2% | 60.0% | 0.0% | 50.0% | .000 | .900 | .000 |
| 4-Seam Fastball | 4 | 12.1% | 50.0% | 0.0% | 0.0% | .000 | .000 | .261 |
| Cutter | 2 | 6.1% | 50.0% | 50.0% | 0.0% | 1.000 | .900 | .205 |
🌀Pitch Movement (2026)
| Type | # | Velo | Spin | IVB | H-Break | Ext |
|---|---|---|---|---|---|---|
| Sinker | 15 | 91.6 | 2,042 | +2.3" | -1.4" | 5.8 |
IVB = induced vertical break (gravity removed) · H-Break = horizontal movement · Ext = release extension in feet.
📋Recent Game Log
| Date | Opp | Score | IP | H | ER | BB | K | ERA | PC | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| L | Saturday, August 29, 2026 |
ARI
|
7-1 | 2.0 | 5 | 2 | 0 | 2 | 9.00 | 33 | — |
👥Team — San Francisco Giants
| Player | Pos | Key Stat |
|---|---|---|
| Rafael Devers | 1B | .252 AVG |
| Osleivis Basabe | 2B | .207 AVG |
| Nate Furman | 2B | .158 AVG |
| Buddy Kennedy | 3B | 36.00 ERA |
| Christian Koss | 3B | 13.50 ERA |
| Shay Whitcomb | 3B | .100 AVG |
| Drew Cavanaugh | C | .225 AVG |
| Eric Haase | C | .162 AVG |
| Andrew Knizner | C | .222 AVG |
| Zachary Morgan | C | — |
| Jesus Rodriguez | C | .235 AVG |
| Daniel Susac | C | .243 AVG |
| Harrison Bader | Center Fielder | .170 AVG |
| Jonah Cox | CF | .286 AVG |
| Drew Gilbert | CF | .236 AVG |
| Grant McCray | CF | .118 AVG |
| Bryce Eldridge | DH | .263 AVG |
| Victor Bericoto | LF | .244 AVG |
| Turner Hill | LF | .273 AVG |
| Casey Schmitt | LF | .271 AVG |
| Yunior Marte | P | — |
| Cesar Perdomo | Pitcher | — |
| Ryan Borucki | Relief Pitcher | 4.94 ERA |
| Matt Gage | Relief Pitcher | 5.60 ERA |
| Jung Hoo Lee | RF | .288 AVG |
| Jerar Encarnacion | Right Fielder | .176 AVG |
| Jared Oliva | Right Fielder | .143 AVG |
| Tristan Beck | RP | 7.07 ERA |
| Spencer Bivens | RP | 14.40 ERA |
| JT Brubaker | RP | 3.58 ERA |
| Jason Foley | RP | 4.11 ERA |
| Trent Harris | RP | 4.09 ERA |
| Sam Hentges | RP | 3.27 ERA |
| Anthony Molina | RP | 3.77 ERA |
| Braxton Roxby | RP | 0.00 ERA |
| Reiver Sanmartin | RP | 4.41 ERA |
| Carson Seymour | RP | 4.58 ERA |
| Dylan Smith | RP | 3.23 ERA |
| Blade Tidwell | RP | 4.54 ERA |
| Ryan Walker | RP | 6.97 ERA |
| Keaton Winn | RP | 3.35 ERA |
| Adrian Houser | SP | 4.02 ERA |
| Yunior Marte | SP | 1.93 ERA |
| Trevor McDonald | SP | 5.12 ERA |
| Landen Roupp | SP | 4.25 ERA |
| Logan Webb | SP | 3.72 ERA |
| Carson Whisenhunt | SP | 6.49 ERA |
| Matt Wilkinson | SP | 4.63 ERA |
| Willy Adames | SS | .230 AVG |
| Eddys Leonard | SS | .250 AVG |
| Matt Chapman | Third Baseman | .235 AVG |
See the Full Analysis
Key Suspects, player props, DFS rankings, and matchup intelligence for Seth Lonsway and every MLB game — available in the BlowOutAlert workspace.